Question

There was a leakage in the petrol tank. If 5litre of petrol is leaked out per day then it would have lasted for 30 days. If the leakage was 7litre per day, then it would have lasted for only 24 days. For how many days would the petrol have lasted, if there is no leakage and it was completely used for the vehicle?

A 120 days
B 90 days
C 80 days
D 60days
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